Examples with TextPane org.apache.pivot.wtk.TextPane used on opensource projects

Example 6 with TextPane

use of org.apache.pivot.wtk.TextPane in project pivot by apache.

the class TextPaneSkinTextNodeView method childLayout.

@Override
protected void childLayout(int breakWidth) {
    TextNode textNode = (TextNode) getNode();
    textLayout = null;
    Font effectiveFont = getEffectiveFont();
    FontRenderContext fontRenderContext = Platform.getFontRenderContext();
    TextPane textPane = (TextPane) getTextPaneSkin().getComponent();
    AttributedStringCharacterIterator composedText = textPane.getComposedText();
    Element parent = textNode.getParent();
    // The calculations below really need to know if we're at the end of the paragraph
    // when composing text, so make sure we ignore intervening span or other nodes, but
    // also update the offset relative to the paragraph in the process.
    int relStart = start;
    if (parent != null && !(parent instanceof Paragraph)) {
        relStart += parent.getOffset();
        parent = parent.getParent();
    }
    int parentCount = parent == null ? 0 : parent.getCharacterCount();
    int selectionStart = textPane.getSelectionStart();
    int selectionLength = textPane.getSelectionLength();
    int documentOffset = textNode.getDocumentOffset();
    int charCount = textNode.getCharacterCount();
    boolean composedIntersects = false;
    if (composedText != null) {
        int composedTextBegin = composedText.getBeginIndex();
        int composedTextEnd = composedText.getEndIndex();
        int composedTextLength = composedTextEnd - composedTextBegin;
        /* exclusive - inclusive, so no +1 needed */
        // If this text node is at the end of a paragraph, increase the span by 1 for the newline
        Span ourSpan;
        if (parent instanceof Paragraph && charCount + relStart == parentCount - 1) {
            ourSpan = new Span(documentOffset + start, documentOffset + charCount);
        } else {
            ourSpan = new Span(documentOffset + start, documentOffset + charCount - 1);
        }
        // The "composed span" just encompasses the start position, because this is "phantom" text, so it exists between any two other "real" text positions.
        Span composedSpan = new Span(selectionStart + composedTextBegin);
        composedIntersects = composedSpan.intersects(ourSpan);
    }
    if (charCount == 0 && !composedIntersects) {
        Dimensions charSize = GraphicsUtilities.getAverageCharacterSize(effectiveFont);
        setSize(0, charSize.height);
        length = 0;
        next = null;
    } else {
        AttributedCharacterIterator text = null;
        boolean underlined = getEffectiveUnderline();
        boolean struckthrough = getEffectiveStrikethrough();
        if (composedText != null && composedIntersects) {
            int composedPos = selectionStart - documentOffset;
            if (composedPos == 0) {
                if (charCount - start == 0) {
                    text = composedText;
                } else {
                    AttributedStringCharacterIterator fullText = getCharIterator(textNode, start, charCount, effectiveFont);
                    // Note: only apply the underline and strikethrough to our text, not the composed text
                    fullText.addUnderlineAttribute(underlined);
                    fullText.addStrikethroughAttribute(struckthrough);
                    text = new CompositeIterator(composedText, fullText);
                }
            } else if (composedPos == charCount) {
                // Composed text is at the end
                AttributedStringCharacterIterator fullText = getCharIterator(textNode, start, charCount, effectiveFont);
                // Note: only apply the underline and strikethrough to our text, not the composed text
                fullText.addUnderlineAttribute(underlined);
                fullText.addStrikethroughAttribute(struckthrough);
                text = new CompositeIterator(fullText, composedText);
            } else {
                // Composed text is somewhere in the middle
                AttributedStringCharacterIterator leadingText = getCharIterator(textNode, start, composedPos, effectiveFont);
                leadingText.addUnderlineAttribute(underlined);
                leadingText.addStrikethroughAttribute(struckthrough);
                AttributedStringCharacterIterator trailingText = getCharIterator(textNode, composedPos, charCount, effectiveFont);
                trailingText.addUnderlineAttribute(underlined);
                trailingText.addStrikethroughAttribute(struckthrough);
                text = new CompositeIterator(leadingText, composedText, trailingText);
            }
        } else {
            AttributedStringCharacterIterator fullText = getCharIterator(textNode, start, charCount, effectiveFont);
            fullText.addUnderlineAttribute(underlined);
            fullText.addStrikethroughAttribute(struckthrough);
            text = fullText;
        }
        if (getTextPaneSkin().getWrapText()) {
            LineBreakMeasurer measurer = new LineBreakMeasurer(text, fontRenderContext);
            float wrappingWidth = (float) breakWidth;
            textLayout = measurer.nextLayout(wrappingWidth);
            length = textLayout.getCharacterCount();
            Dimensions size = getTextSize(textLayout);
            float advance = textLayout.getAdvance();
            setSize(size);
            if (start + measurer.getPosition() < textNode.getCharacterCount()) {
                next = new TextPaneSkinTextNodeView(getTextPaneSkin(), textNode, start + measurer.getPosition());
                next.setParent(getParent());
            } else {
                next = null;
            }
        } else {
            // Not wrapping the text, then the width is of the whole thing
            textLayout = new TextLayout(text, fontRenderContext);
            length = textLayout.getCharacterCount();
            Dimensions size = getTextSize(textLayout);
            float advance = textLayout.getAdvance();
            setSize(size);
            // set to null in case this node used to be broken across multiple,
            // but is no longer
            next = null;
        }
    }
}

Example 7 with TextPane

use of org.apache.pivot.wtk.TextPane in project pivot by apache.

the class HyperlinkButtonTest method startup.

@Override
public void startup(Display display, Map<String, String> properties) throws Exception {
    frame = new Frame();
    frame.setTitle("Hyperlink Button Test");
    frame.setPreferredSize(480, 360);
    HyperlinkButton button1 = new HyperlinkButton("http://pivot.apache.org");
    HyperlinkButton button2 = new HyperlinkButton("Apache website", "http://apache.org");
    TextPane textPane = new TextPane();
    Document document = new Document();
    TextNode text1 = new TextNode("Link to the Apache Pivot site: ");
    TextNode text2 = new TextNode("Main Apache Software Foundation website: ");
    ComponentNode compNode1 = new ComponentNode(button1);
    ComponentNode compNode2 = new ComponentNode(button2);
    Paragraph para1 = new Paragraph();
    para1.add(text1);
    document.add(para1);
    document.add(compNode1);
    Paragraph para2 = new Paragraph();
    para2.add(text2);
    document.add(para2);
    document.add(compNode2);
    ImageNode image1 = new ImageNode("/org/apache/pivot/tests/house.png");
    document.add(image1);
    textPane.setDocument(document);
    frame.setContent(textPane);
    frame.open(display);
}

Example 8 with TextPane

use of org.apache.pivot.wtk.TextPane in project pivot by apache.

the class TextPaneSkin method mouseDown.

@Override
public boolean mouseDown(Component component, Mouse.Button button, int x, int y) {
    boolean consumed = super.mouseDown(component, button, x, y);
    if (button == Mouse.Button.LEFT) {
        TextPane textPane = (TextPane) component;
        anchor = getInsertionPoint(x, y);
        if (anchor != -1) {
            if (Keyboard.isPressed(Keyboard.Modifier.SHIFT)) {
                // Select the range
                int selectionStart = textPane.getSelectionStart();
                if (anchor > selectionStart) {
                    textPane.setSelection(selectionStart, anchor - selectionStart);
                } else {
                    textPane.setSelection(anchor, selectionStart - anchor);
                }
            } else {
                // Move the caret to the insertion point
                textPane.setSelection(anchor, 0);
                consumed = true;
            }
        }
        caretX = caret.x;
        // Set focus to the text input
        textPane.requestFocus();
    }
    return consumed;
}

Example 9 with TextPane

use of org.apache.pivot.wtk.TextPane in project pivot by apache.

the class TextPaneSkin method paint.

@Override
public void paint(Graphics2D graphics) {
    super.paint(graphics);
    TextPane textPane = getTextPane();
    if (documentView != null) {
        // Draw the selection highlight
        if (selection != null) {
            graphics.setColor(textPane.isFocused() && textPane.isEditable() ? selectionBackgroundColor : inactiveSelectionBackgroundColor);
            graphics.fill(selection);
        }
        int width = getWidth();
        int breakWidth;
        if (wrapText) {
            breakWidth = Math.max(width - margin.getWidth(), 0);
        } else {
            breakWidth = Integer.MAX_VALUE;
        }
        documentView.layout(breakWidth);
        // Draw the document content
        graphics.translate(margin.left, margin.top);
        documentView.paint(graphics);
        graphics.translate(-margin.left, -margin.top);
        // Draw the caret
        if (selection == null && caretOn && textPane.isFocused()) {
            graphics.setColor(textPane.isEditable() ? color : inactiveColor);
            graphics.fill(caret);
        }
    }
}

Example 10 with TextPane

use of org.apache.pivot.wtk.TextPane in project pivot by apache.

the class TextPaneSkin method keyTyped.

@Override
public boolean keyTyped(final Component component, char character) {
    boolean consumed = super.keyTyped(component, character);
    final TextPane textPane = getTextPane();
    if (textPane.isEditable()) {
        Document document = textPane.getDocument();
        if (document != null) {
            // character as well as meta key presses
            if (character > 0x1F && character != 0x7F && !Keyboard.isPressed(Keyboard.Modifier.META)) {
                textPane.insert(character);
                showCaret(true);
            }
        }
    }
    return consumed;
}